US4978319A - Strip mounted adapter supporting a lamp and featuring conductive spade engaging apparatus - Google Patents
Strip mounted adapter supporting a lamp and featuring conductive spade engaging apparatus Download PDFInfo
- Publication number
- US4978319A US4978319A US07/355,639 US35563989A US4978319A US 4978319 A US4978319 A US 4978319A US 35563989 A US35563989 A US 35563989A US 4978319 A US4978319 A US 4978319A
- Authority
- US
- United States
- Prior art keywords
- lamp
- enlargements
- spades
- spade
- adapter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R33/00—Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
- H01R33/05—Two-pole devices
- H01R33/06—Two-pole devices with two current-carrying pins, blades or analogous contacts, having their axes parallel to each other
- H01R33/09—Two-pole devices with two current-carrying pins, blades or analogous contacts, having their axes parallel to each other for baseless lamp bulb
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S4/00—Lighting devices or systems using a string or strip of light sources
- F21S4/20—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/06—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages the fastening being onto or by the lampholder
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/0005—Fastening of light sources or lamp holders of sources having contact pins, wires or blades, e.g. pinch sealed lamp
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
Definitions
- the present disclosure is directed to an improved adapter to be mounted on an elongate strip for strip lighting purposes.
- the present adapter has a function which will be more readily understood on a description of the supporting structure. Briefly, it is intended for use with a support structure which will be defined as a strip base.
- the strip base is constructed of generally flat stock, has an indefinite length, and is formed with a protective plastic face. It supports spaced, upstanding connective spades, that term being applied to the protruding electrical current delivering metal tabs which are uniformly spaced so that current is provided for operation of lamps supported on the strip.
- the strip is normally quite long, and hence will support many lamps. As will be understood, each lamp normally involves first and second end located terminals so that the spades have alternating polarity.
- spades are arranged along the strip, and the spades deliver electrical current for customary operation of lamps having end located current-drawing terminals.
- a multitude of lamps is normally installed on the strip.
- the lamps are normally installed by making contact. The contact is accomplished between adjacent spades.
- the present disclosure however is an improved adapter which particularly enables use of a brighter lamp.
- halogen lamps are installed.
- Halogen lamps differ in that they have different mounting for the electrical contacts.
- a halogen lamp is ordinarily constructed with two pins or wires which extend from the same end of the envelope which comprises the lamp.
- the halogen bulb does not have two spaced apart, current consuming electrodes. Rather, the two pin connectors or contacts extend from a common end which makes it somewhat difficult to connect. In other words, since the pins extend from the same end of the lamp, they must connect at spades which straddle the lamp when installed on the strip.
- Such a strip as described herein is set forth better in application Ser. No. 198,083 which was filed on May 24, 1988, and which is the property of the common assignee of the present disclosure.
- representative earlier patents of strips with lamp adapters are set forth as for example in U.S. Pat. No. 4,569,568 which issued on Feb. 11, 1986.
- the present apparatus adds features which make it much easier to mount and demount.
- the adapter of this disclosure is mounted on spades which are more readily engaged and disengaged, and in that sense, represent a structure which is more easily handled.
- the strip of the present disclosure can support a string of many halogen lamps, all using the present adapter which can be installed or removed or selectively serviced with high speed. Simple hand manipulation will accomplish servicing.
- Another useful feature of the present apparatus is the incorporation of spring or snap loading springs for locking on the current providing spades. This provides a sure frictional grip, and more importantly, adds sufficient spring loaded engagement that current flow from the current conducting spade into the lamp is accomplished with a minimum of contact resistance.
- the contact area is completely sheltered by a surrounding non-conductive plastic housing for safety sake.
- Another valuable feature of the present disclosure is the utilization of a hidden and completely enclosed or recessed set of conductors. That is, the conductors are never exposed on the exterior. Beginning with recessed contacts which contact the spades, the conductors are all completely enclosed and therefore accidental contact is prevented.
- Another valuable feature is the incorporation of a two-part construction wherein the body of the adapter is made of a described high impact electrical insulating plastic material, and the formation of a polished surface thereon by means of a surface bonded layer which enhances reflectivity.
- the surface layer provides a surface which reflects and yet diffuses the light so that sharp point lighting is distributed when the halogen lamp is turned on. This is valuable to provide more uniform lighting from the strip.
- This strip is ordinarily covered with a translucent cover which is intended to readily transmit light therethrough and which is translucent to assure avoidance of spot illumination so that the user will not be able to see the filaments of the various lamps supported by the strip.
- the present structure is therefore summarized as a single piece construction of a demountable adapter. It is adapted to be fastened on a pair of upstanding similarly constructed parallel spades which are located at a fixed distance from one another.
- the spades provide positive and negative current conducting terminals.
- the adapter has a single piece construction and thus includes spade receiving terminals at opposite ends. At both ends, there is an enlargement which has an internal cavity, and a leaf spring is located therein to bear against the spade inserted into the cavity.
- the leaf spring is formed of conductive metal to assure a low resistance serial conducting contact with the current providing spades.
- the two terminals connect with two conductors.
- the socket which is integrally constructed within one end of the structure, and the socket has a pair of openings to receive current conducting pins from a lamp.
- the preferred and known form of lamp is a halogen lamp which has a glass envelope with a pair of pins at one end, and these pins are located in accordance with an industry standard.
- the adapter is formed of a high impact plastic material which is an insulator. It has a surface which is relatively reflective, and the surface is optionally coated.
- the lamp is located between ends of the adapter, and the adapter, between the ends, is constructed so that there are three sides exposed and facing the lamp.
- the three sides describe a truncated "V" with two upstanding sides at divergent positions, inscribing at an angle of about 60° to 90° therebetween. This serves as a type of light reflector. These surfaces are optionally coated with an adherent or bonded layer which assures a relatively white body which is polished to a measure, but which is also slightly irregular to assure substantial light reflection with a measure of diffusion to thereby avoid spots of light from the strip fixture.
- the single drawing is a longitudinal sectional view through the adapter of the present disclosure showing a halogen lamp mounted therein and further showing the mounting of the adapter on current providing spades supported by an elongate strip, all to be enclosed within a translucent housing for providing illumination.
- FIG. 1 of the drawings where the numeral 10 identifies an adapter in accordance with the teachings of this disclosure.
- This adapter is especially constructed to be installed on a lighting strip of the sort best set forth in application Ser. No. 198,083 which was filed on May 24, 1988, and wherein the strip is constructed as an elongate base member 11 and supports spaced current providing terminals 12 and 13.
- the terminals are connected with conductors (not shown) submerged in the strip 11.
- the spades 12 and 13 have a common height and thickness and are spaced uniformly along the strip 11 in pairs.
- the spade 12 will be described as the positive terminal or the hot terminal, while the remaining spade 13 will be the ground terminal.
- the terminals have a specified and uniform width and spacing between terminals or spades 12 and 13; this permits the adapter 10 to be manufactured to a common length for installation.
- the terminals 12 and 13 have a common height of about 1/2 inch or so, and have a common width, typically in the range of about 1/4 inch. They are relatively thick and are formed of metal so that they can serve as current conducting terminals. They are of opposite polarity as a result of the connection accomplished in the strip 11 which is a thin, low profile structure which can be mounted (as for instance, with bolts, screws, staples and the like) on a wall or other surface. A translucent cover is placed over the strip after installation, and the cover is used to emit diffused light into the immediate vicinity. All of this is again best described in the referenced co-pending application.
- the adapter 10 of the present disclosure is particularly adapted to install a halogen lamp 15 which is constructed in accordance with an industry standard, having a specified size glass envelope and which lamp emits light, generally in all directions around the envelope.
- the lamp additionally has a pair of pins 16 and 17 which are constructed again in accordance with the industry standard so that they have a common length, stiffness, and spacing. This permits the lamp to be removed and replaced interchangeably.
- the lamp 15 may ultimately burn out, and when that occurs, it can be discarded by the simple expedient act of removal and subsequent insertion of a replacement lamp.
- the lamp 15 emits light of a known spectrum at relatively high intensity. Since the light emission is omnidirectional, it is desirable to reflect a substantial portion of that light out one side of the adapter. To this end, a reflective surface will be described with the adapter.
- the adapter is preferably formed of single piece construction. It is formed of a high impact electrically insulative material. It is a material which can tolerate extended use with exposure to high temperatures. Moreover, it is formed with a surface which is coated so that light reflectivity is accomplished as will be set forth.
- the adapter 10 includes an enlargement 18 at one end of the structure. It has the form of a rectangular housing which is constructed to surround the spade 12.
- the housing has a slot formed in it.
- the slot 19 is sized to fit snugly around the spade 12 without interference.
- the slot is dimensionally slightly larger than the spade 12. This permits the enlargement 18 to be finger installed by simply placing it over the spade 12. The spade is guided into the slot 19 and is fastened on the spade for installation. The slot would otherwise slide free of the spade were it not for the incorporation of the leaf spring 20.
- the leaf spring 20 has two ends, each end being anchored. The upper end 21 is anchored by embedment in the body of the plastic body making up the enlargement 18. The enlargement is approximately rectangular in cross-section.
- the slot 19 extends upwardly to the embedded end 21 of the spring. This assures that the spring is located where it is required, and assures fixing the spring so that it bows into the slot to obtain frictional engagement with the spade 12.
- the opposite end of the leaf spring 20 is also embedded at 22.
- the embedded end 22 is fastened so that the leaf spring tends to bow slightly. This assures that the midpoint of the leaf spring frictionally engages the current conducting spade 12.
- the spring is fastened to a connector 23 which is cast integrally into the body of the enlargement 18.
- the fastener 23 is electrically connected to the spring 20.
- the fastener 23 is fabricated within the body of the enlargement at the time of casting.
- the fastener 23 supports and connects to the end of an electrical conductor 24. It is fairly long, extending along the length of the structure and on a route which will be described.
- the reflective fixture includes a backing portion 25.
- the portion 25 is of relative thickness to assure stiffness for the device and to also assure structural or dimensional stability.
- the backing member 25, when viewed from the direction of the lamp 15 is somewhat wider than the lamp 15.
- the lamp 15 is positioned above the backing member 25 and is sized so that the lamp is engaged in a type of trough when installed. There must be sufficient clearance in length to permit the lamp 15 to be plugged and unplugged above the backing member 25.
- the lamp provides illumination which radiates in substantially all directions. A portion of this light is reflected back to a more useful direction by means of a reflective side wall 26.
- the side wall 26 cooperates with a facing side wall (not shown), the two side walls providing symmetry in construction so that they bracket or partially enclose the lamp 15.
- the side walls preferably diverge from one another to inscribe an approximate 60° angle therebetween. This angle is selected to assure that a substantial portion of the light which impinges on the two side walls is reflected back into the useful area when the lamp is installed on the strip 11.
- the side walls 26 are divergent from one another and inscribe an angle in the range of about 60° to 90° . They are symmetrically positioned so that reflection is obtained. Moreover, they have sufficient height that the lamp is surrounded on approximately 180° of its circumference to assure ample reflection.
- the enlargement 18 and the adjacent side walls 26 are integrally constructed to define a type of trough.
- the surfaces of the trough which face the lamp 15 are coated with a coating material 28.
- the coating material 28 is preferably a surface finish material enabling proper reflection.
- This surface coating material can be constructed integrally with casting of the adapter 10. Alternately, it can be applied with a suitable adhesive after fabrication of the body. In either case, the coating material is preferably white and is polished to a measure but has a certain degree of surface roughness so that the light is reflective with some random diffusion.
- the surface coating 28 is shown on the enlargement 18 which confronts the bulb 15, and it is extended along the full length of both the side walls 26. In addition, it extends along the backing member 25.
- an enlargement 30 is also illustrated. It is thicker than the enlargement 18 shown at the left, but the two have a common width and common height.
- the enlargement 30 is thicker to enclose the conductors and the socket 40.
- the enlargement which fully surrounds the socket 40 has an internal chamber 42 which is provided for the first electrical contact 16.
- a similar chamber 44 is included in the socket 40.
- the pins 16 and 17 insert directly into a pair of aligned holes at 46 and 48. These guide the two pins into the chambers 42 and 44.
- the chambers 42 and 44 each receive coil springs bearing against suitable contact plates for pinching on or clamping against the pin contacts 16 and 17.
- the present structure thus comprises an adapter of fixed length. It is constructed to fasten on the spades 12 and 13 which are separated by a fixed length also. Moreover, the fixed length permits multiple use of the adapter 10. In a multiple installation, several such fixtures 10 can be installed and each can receive its own lamp 15. The lamps are installed simply by hand insertion of the pins 16 and 17 into the appropriate holes. They extend into the socket assembly 40 which is typically a bought item. That is cast in the enlargement 30 so that easy connection can be obtained without difficulty in making electrical connection.
Abstract
Description
Claims (11)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/355,639 US4978319A (en) | 1989-05-23 | 1989-05-23 | Strip mounted adapter supporting a lamp and featuring conductive spade engaging apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/355,639 US4978319A (en) | 1989-05-23 | 1989-05-23 | Strip mounted adapter supporting a lamp and featuring conductive spade engaging apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
US4978319A true US4978319A (en) | 1990-12-18 |
Family
ID=23398222
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US07/355,639 Expired - Lifetime US4978319A (en) | 1989-05-23 | 1989-05-23 | Strip mounted adapter supporting a lamp and featuring conductive spade engaging apparatus |
Country Status (1)
Country | Link |
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US (1) | US4978319A (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5154641A (en) * | 1991-04-30 | 1992-10-13 | Lucifer Lighting Company | Adapter to energize a light rail |
EP0677699A1 (en) * | 1994-03-04 | 1995-10-18 | Heinrich Korte | Fluorescent lamp mounting |
US5907218A (en) * | 1996-12-09 | 1999-05-25 | The Whitaker Corporation | Fluorescent lighting assembly with integral ballast |
EP1248037A3 (en) * | 2001-04-06 | 2005-05-18 | Cooper Crouse-Hinds GmbH | Mounting device |
WO2007134693A1 (en) * | 2006-05-23 | 2007-11-29 | Abb Ag | Illumination unit for an electrical installation device |
US20100073916A1 (en) * | 2008-09-19 | 2010-03-25 | Kwon Young Man | Backlight module for a liquid crystal display |
CN115574287A (en) * | 2022-12-09 | 2023-01-06 | 泉州市匝道科技有限公司 | Can clear away antifog type car lamp of lamp shade inner wall fog |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US744387A (en) * | 1903-04-20 | 1903-11-17 | Tullio Antonio Rottanzi | Reflector. |
US2716739A (en) * | 1953-09-15 | 1955-08-30 | Gen Electric | Lamp base and holders for double ended electric-discharge lamps |
US4158221A (en) * | 1976-03-22 | 1979-06-12 | Youri Agabekov | Light fixture |
US4418973A (en) * | 1981-09-04 | 1983-12-06 | General Electric Company | Wedge base lamp socket assembly |
US4482944A (en) * | 1983-02-18 | 1984-11-13 | Roossine Isaiah C | Flexible light strip assembly |
US4521838A (en) * | 1983-06-17 | 1985-06-04 | Youri Agabekov | Tubular electric lamp fixture |
CH652537A5 (en) * | 1983-04-20 | 1985-11-15 | Youri Agabekov | Electrical supply rail |
CH654094A5 (en) * | 1983-08-02 | 1986-01-31 | Youri Agabekov | Adaptor for fastening a fork-contact lighting lamp for electrical supply rail |
US4569568A (en) * | 1983-08-02 | 1986-02-11 | Youri Agabekov | Adapter for tubular electric lamp fixture |
US4723199A (en) * | 1986-09-19 | 1988-02-02 | Emmanel Corporation | Tubular electric lamp fixture |
-
1989
- 1989-05-23 US US07/355,639 patent/US4978319A/en not_active Expired - Lifetime
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US744387A (en) * | 1903-04-20 | 1903-11-17 | Tullio Antonio Rottanzi | Reflector. |
US2716739A (en) * | 1953-09-15 | 1955-08-30 | Gen Electric | Lamp base and holders for double ended electric-discharge lamps |
US4158221A (en) * | 1976-03-22 | 1979-06-12 | Youri Agabekov | Light fixture |
US4418973A (en) * | 1981-09-04 | 1983-12-06 | General Electric Company | Wedge base lamp socket assembly |
US4482944A (en) * | 1983-02-18 | 1984-11-13 | Roossine Isaiah C | Flexible light strip assembly |
CH652537A5 (en) * | 1983-04-20 | 1985-11-15 | Youri Agabekov | Electrical supply rail |
US4521838A (en) * | 1983-06-17 | 1985-06-04 | Youri Agabekov | Tubular electric lamp fixture |
CH654094A5 (en) * | 1983-08-02 | 1986-01-31 | Youri Agabekov | Adaptor for fastening a fork-contact lighting lamp for electrical supply rail |
US4569568A (en) * | 1983-08-02 | 1986-02-11 | Youri Agabekov | Adapter for tubular electric lamp fixture |
US4723199A (en) * | 1986-09-19 | 1988-02-02 | Emmanel Corporation | Tubular electric lamp fixture |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5154641A (en) * | 1991-04-30 | 1992-10-13 | Lucifer Lighting Company | Adapter to energize a light rail |
EP0677699A1 (en) * | 1994-03-04 | 1995-10-18 | Heinrich Korte | Fluorescent lamp mounting |
US5907218A (en) * | 1996-12-09 | 1999-05-25 | The Whitaker Corporation | Fluorescent lighting assembly with integral ballast |
EP1248037A3 (en) * | 2001-04-06 | 2005-05-18 | Cooper Crouse-Hinds GmbH | Mounting device |
WO2007134693A1 (en) * | 2006-05-23 | 2007-11-29 | Abb Ag | Illumination unit for an electrical installation device |
CN101379343B (en) * | 2006-05-23 | 2010-06-16 | Abb股份有限公司 | Illumination unit for an electrical installation device |
US20100073916A1 (en) * | 2008-09-19 | 2010-03-25 | Kwon Young Man | Backlight module for a liquid crystal display |
US9033568B2 (en) * | 2008-09-19 | 2015-05-19 | Beijing Boe Optoelectronics Technology Co., Ltd. | Backlight module for a liquid crystal display |
CN115574287A (en) * | 2022-12-09 | 2023-01-06 | 泉州市匝道科技有限公司 | Can clear away antifog type car lamp of lamp shade inner wall fog |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: EMMANEL CORPORATION, D/B/A LUCIFER LIGHTING COMPAN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:FREED, HERBERT D.;REEL/FRAME:005085/0250 Effective date: 19890523 |
|
STCF | Information on status: patent grant |
Free format text: PATENTED CASE |
|
AS | Assignment |
Owner name: LUCIFER LIGHTING COMPANY Free format text: CHANGE OF NAME;ASSIGNOR:EMMANEL CORPORATION;REEL/FRAME:005573/0665 Effective date: 19890303 |
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Free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY |
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FPAY | Fee payment |
Year of fee payment: 4 |
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FEPP | Fee payment procedure |
Free format text: PAYER NUMBER DE-ASSIGNED (ORIGINAL EVENT CODE: RMPN); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY |
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REMI | Maintenance fee reminder mailed | ||
FPAY | Fee payment |
Year of fee payment: 8 |
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SULP | Surcharge for late payment | ||
FPAY | Fee payment |
Year of fee payment: 12 |